Question

When a tall homozygous plant was crossed with a short homozygous plant, the F1 offspring were all tall. No short plants were present in the F1 generation. Which principle does this situation represent?
A.The principle of unit characters
B.The principle of dominance
C.The principle of segregation

Answer 1

Principle of dominance: when individuals with contrasting traits are crossed, the offspring will express only the dominant trait.

Answer 2

so B?

Answer 3

You are right!